Q: What is the negative version of the number 21,311,421?
A: -21,311,421
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,311,419 | 21,311,420 | 21,311,422 | 21,311,423 |
| -21,311,419 | -21,311,420 | -21,311,422 | -21,311,423 |